A very large and conspicuous clausiliid species was recently discovered in Vietnam. It belongs to the Phaedusinae, Megalophaedusini and is described as Oospira (Oospira) pyknosoma spec. nov.

Clausiliidae, taxonomy, Oospira, Pulmonata, Vietnam, Gastropoda, Phaedusinae
Basteria

CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

E. Gittenberger, & J.J. Vermeulen. (2001). Oospira (O.) pyknosoma spec. nov. (Gastropoda, Pulmonata, Clausiliidae), an impressive clausiliid species from Vietnam. Basteria, 65(4/6), 123–129.